\documentclass{article}
 
\usepackage[pdftex,active,tightpage]{preview}
\usepackage{tikz}
\usetikzlibrary{snakes}
\usetikzlibrary{arrows}
\makeatletter
 
\begin{document}
\begin{preview}
	%%
	\begin{tikzpicture}[scale=0.6]
				\draw[fill=orange!70!black, fill opacity=0.3] (0,0) circle (4);
				
				\draw (0,0) circle (3.5);
				\draw[fill=red, fill opacity=0.5] (0,0) circle (2.5);
				\draw[fill=blue] \foreach \x in {0,10,...,360} {
					(\x:3.5cm) circle (0.1) (\x:2.5cm) circle (0.1)  
				};
				\foreach \x in {0,10,...,360} {
					\draw[black,->,shorten <=1pt,>=stealth',semithick] (\x:3.5cm) to (\x:2.5cm);  
				};
				\end{tikzpicture}
				%%
\end{preview}
\end{document}